@article{Griffith2001,
author = {Rachel Griffith and Stephen Redding and John Van Reenen},
title = {Measuring the cost-effectiveness of an R&D tax credit for the UK},
journal = {Fiscal Studies},
year = {2001},
month = {Sep},
volume = {22},
number = {3},
pages = {375-399},
issn = {Print: 0143-5671 Online: 1475-5890},
url = {http://www.ifs.org.uk/fs/articles/0047a.pdf},
}